MX364405B - Mezcla parametrica de senales de audio. - Google Patents

Mezcla parametrica de senales de audio.

Info

Publication number
MX364405B
MX364405B MX2017005409A MX2017005409A MX364405B MX 364405 B MX364405 B MX 364405B MX 2017005409 A MX2017005409 A MX 2017005409A MX 2017005409 A MX2017005409 A MX 2017005409A MX 364405 B MX364405 B MX 364405B
Authority
MX
Mexico
Prior art keywords
signal
section
mixing
channels
groups
Prior art date
Application number
MX2017005409A
Other languages
English (en)
Spanish (es)
Other versions
MX2017005409A (es
Inventor
Lehtonen Heidi-Maria
Purnhagen Heiko
Villemoes Lars
Original Assignee
Dolby Int Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dolby Int Ab filed Critical Dolby Int Ab
Publication of MX2017005409A publication Critical patent/MX2017005409A/es
Publication of MX364405B publication Critical patent/MX364405B/es

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
MX2017005409A 2014-10-31 2015-10-28 Mezcla parametrica de senales de audio. MX364405B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462073462P 2014-10-31 2014-10-31
US201562167711P 2015-05-28 2015-05-28
PCT/EP2015/075022 WO2016066705A1 (en) 2014-10-31 2015-10-28 Parametric mixing of audio signals

Publications (2)

Publication Number Publication Date
MX2017005409A MX2017005409A (es) 2017-06-21
MX364405B true MX364405B (es) 2019-04-24

Family

ID=54364338

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017005409A MX364405B (es) 2014-10-31 2015-10-28 Mezcla parametrica de senales de audio.

Country Status (39)

Country Link
US (1) US9930465B2 (ja)
EP (1) EP3213322B1 (ja)
JP (1) JP6686015B2 (ja)
KR (1) KR102501969B1 (ja)
CN (1) CN107112020B (ja)
AU (1) AU2015340622B2 (ja)
CA (1) CA2965731C (ja)
CL (1) CL2017001037A1 (ja)
CO (1) CO2017004283A2 (ja)
CY (1) CY1121917T1 (ja)
DK (1) DK3213322T3 (ja)
EA (1) EA034250B1 (ja)
EC (1) ECSP17023702A (ja)
ES (1) ES2732668T3 (ja)
GE (1) GEP20196960B (ja)
GT (1) GT201700088A (ja)
HK (1) HK1243547B (ja)
HR (1) HRP20191107T1 (ja)
HU (1) HUE044368T2 (ja)
IL (1) IL251789B (ja)
LT (1) LT3213322T (ja)
ME (1) ME03453B (ja)
MX (1) MX364405B (ja)
MY (1) MY190174A (ja)
PE (1) PE20170759A1 (ja)
PH (1) PH12017500723B1 (ja)
PL (1) PL3213322T3 (ja)
PT (1) PT3213322T (ja)
RS (1) RS58874B1 (ja)
SA (1) SA517381440B1 (ja)
SG (1) SG11201703263PA (ja)
SI (1) SI3213322T1 (ja)
SV (1) SV2017005431A (ja)
TN (1) TN2017000143A1 (ja)
TW (1) TWI587286B (ja)
UA (1) UA123388C2 (ja)
UY (1) UY36378A (ja)
WO (1) WO2016066705A1 (ja)
ZA (1) ZA201702647B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016066743A1 (en) * 2014-10-31 2016-05-06 Dolby International Ab Parametric encoding and decoding of multichannel audio signals
WO2016172254A1 (en) 2015-04-21 2016-10-27 Dolby Laboratories Licensing Corporation Spatial audio signal manipulation
AU2020210549B2 (en) * 2019-01-21 2023-03-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding a spatial audio representation or apparatus and method for decoding an encoded audio signal using transport metadata and related computer programs
US11523239B2 (en) * 2019-07-22 2022-12-06 Hisense Visual Technology Co., Ltd. Display apparatus and method for processing audio

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
US20060106620A1 (en) 2004-10-28 2006-05-18 Thompson Jeffrey K Audio spatial environment down-mixer
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
EP1825713B1 (en) 2004-11-22 2012-10-17 Bang & Olufsen A/S A method and apparatus for multichannel upmixing and downmixing
WO2006079086A2 (en) 2005-01-24 2006-07-27 Thx, Ltd. Ambient and direct surround sound system
TWI313857B (en) * 2005-04-12 2009-08-21 Coding Tech Ab Apparatus for generating a parameter representation of a multi-channel signal and method for representing multi-channel audio signals
EP1829424B1 (en) * 2005-04-15 2009-01-21 Dolby Sweden AB Temporal envelope shaping of decorrelated signals
CN101410891A (zh) * 2006-02-03 2009-04-15 韩国电子通信研究院 使用空间线索控制多目标或多声道音频信号的渲染的方法和装置
US7965848B2 (en) 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
MY145497A (en) 2006-10-16 2012-02-29 Dolby Sweden Ab Enhanced coding and parameter representation of multichannel downmixed object coding
KR101111520B1 (ko) 2006-12-07 2012-05-24 엘지전자 주식회사 오디오 처리 방법 및 장치
US8908873B2 (en) 2007-03-21 2014-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
ES2452348T3 (es) * 2007-04-26 2014-04-01 Dolby International Ab Aparato y procedimiento para sintetizar una señal de salida
WO2009049895A1 (en) * 2007-10-17 2009-04-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding using downmix
US8639368B2 (en) * 2008-07-15 2014-01-28 Lg Electronics Inc. Method and an apparatus for processing an audio signal
EP2214161A1 (en) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for upmixing a downmix audio signal
EP2214162A1 (en) 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Upmixer, method and computer program for upmixing a downmix audio signal
EP2249334A1 (en) * 2009-05-08 2010-11-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio format transcoder
MY154641A (en) 2009-11-20 2015-07-15 Fraunhofer Ges Forschung Apparatus for providing an upmix signal representation on the basis of the downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer programs and bitstream representing a multi-channel audio signal using a linear cimbination parameter
CN103748629B (zh) 2012-07-02 2017-04-05 索尼公司 解码装置和方法、编码装置和方法以及程序
MX342150B (es) 2012-07-09 2016-09-15 Koninklijke Philips Nv Codificacion y decodificacion de señales de audio.
BR112015018522B1 (pt) * 2013-02-14 2021-12-14 Dolby Laboratories Licensing Corporation Método, aparelho e meio não transitório que tem um método armazenado no mesmo para controlar a coerência entre canais de sinais de áudio com upmix.
KR102381216B1 (ko) 2013-10-21 2022-04-08 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성

Also Published As

Publication number Publication date
IL251789B (en) 2019-07-31
MY190174A (en) 2022-03-31
SI3213322T1 (sl) 2019-08-30
SG11201703263PA (en) 2017-05-30
CN107112020B (zh) 2021-01-22
LT3213322T (lt) 2019-09-25
PH12017500723A1 (en) 2017-10-09
WO2016066705A1 (en) 2016-05-06
TN2017000143A1 (en) 2018-10-19
ECSP17023702A (es) 2018-03-31
US9930465B2 (en) 2018-03-27
EA201790753A1 (ru) 2017-12-29
PT3213322T (pt) 2019-07-05
UA123388C2 (uk) 2021-03-31
BR112017007521A2 (pt) 2017-12-19
ES2732668T3 (es) 2019-11-25
DK3213322T3 (da) 2019-07-15
TWI587286B (zh) 2017-06-11
HRP20191107T1 (hr) 2019-10-18
AU2015340622A1 (en) 2017-04-20
HK1243547B (zh) 2019-11-29
EA034250B1 (ru) 2020-01-21
JP6686015B2 (ja) 2020-04-22
CY1121917T1 (el) 2020-10-14
CO2017004283A2 (es) 2017-07-19
JP2017537342A (ja) 2017-12-14
GT201700088A (es) 2019-08-12
EP3213322B1 (en) 2019-04-03
HUE044368T2 (hu) 2019-10-28
TW201629951A (zh) 2016-08-16
SA517381440B1 (ar) 2020-05-23
CA2965731A1 (en) 2016-05-06
AU2015340622B2 (en) 2021-04-01
MX2017005409A (es) 2017-06-21
IL251789A0 (en) 2017-06-29
KR20170078663A (ko) 2017-07-07
UY36378A (es) 2016-06-01
CN107112020A (zh) 2017-08-29
EP3213322A1 (en) 2017-09-06
SV2017005431A (es) 2017-06-07
PL3213322T3 (pl) 2019-09-30
PE20170759A1 (es) 2017-07-04
ME03453B (me) 2020-01-20
GEP20196960B (en) 2019-03-25
KR102501969B1 (ko) 2023-02-21
RS58874B1 (sr) 2019-08-30
NZ731194A (en) 2020-11-27
ZA201702647B (en) 2018-08-29
US20170332185A1 (en) 2017-11-16
CA2965731C (en) 2023-12-05
PH12017500723B1 (en) 2017-10-09
CL2017001037A1 (es) 2017-12-01

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